<html>
  
  <head>
    <meta charset="utf-8">
    <title>Bootstrap, from Twitter</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">
    <link href="http://netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"
    rel="stylesheet">
    <script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
    <script type="text/javascript" src="http://netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
  </head>
  
  <body>
    <div class="container">
      <div class="row">
        <div class="col-md-6">
            <h1>DFA</h1>
            <form role="form" action="dfa.php" method="post" enctype="multipart/form-data">
            <div class="form-group">
              <label class="control-label" for="tabela">Tabela de Transições</label>
              <input class="form-control" id="tabela"
              placeholder="Enter email" type="file" name="tabela">
            </div>
            <div class="form-group">
              <label class="control-label" for="entrada">Strings de Entrada</label>
              <input class="form-control" id="entrada"
              placeholder="Enter email" type="file" name="entrada">
            </div>
              <button type="submit" class="btn btn-primary">Enviar</button>
          </form>
        </div>
      </div>
    </div>
  </body>

</html>